CN218750307U - Rear transmission assembly of mining truck - Google Patents
Rear transmission assembly of mining truck Download PDFInfo
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- CN218750307U CN218750307U CN202222929937.XU CN202222929937U CN218750307U CN 218750307 U CN218750307 U CN 218750307U CN 202222929937 U CN202222929937 U CN 202222929937U CN 218750307 U CN218750307 U CN 218750307U
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- rear axle
- transmission
- assembly
- axle housing
- output end
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Abstract
The utility model discloses a transmission assembly behind mining truck, include: the transmission comprises a transmission shell, a gear assembly, a transmission output end, a rear axle housing, a rear axle input end, a differential assembly and a connecting bolt, wherein the gear assembly and the transmission output end are arranged in the transmission shell, and the transmission output end is connected to the side part of the gear assembly; the rear axle input end and the differential assembly are arranged in a rear axle housing, the rear axle input end is meshed with the differential assembly through a gear, a rear axle housing through hole is formed in the side part of the rear axle housing, and the rear axle input end and the transmission output end are rigidly connected at the rear axle housing through hole; one side of the opening of the transmission housing is connected to the through hole of the rear axle housing by a connecting bolt. The utility model discloses well transmission and rear axle are integrated arranges, have solved among the prior art transmission output and rear axle input because the constantly changeable oil seepage that arouses of transmission shaft operating angle and the technical problem of oil leak.
Description
Technical Field
The utility model belongs to the mining car field, concretely relates to transmission assembly behind mining car.
Background
The mining vehicle is important transportation equipment for open-pit mining, and the rear transmission assembly of the mining vehicle comprises a transmission and a rear axle and is used for transmitting the power of an engine to wheels to drive the vehicle to run.
The existing mine car rear transmission assembly arrangement scheme is as follows: the transmission transmits power to the transmission shaft after the power of the engine is subjected to speed reduction and torque conversion, one end of the transmission shaft is connected with the output end of the transmission, and the other end of the transmission shaft is connected with the power input end of the rear axle. Due to the limitation of the space structure of the whole vehicle, the transmission shaft is obliquely arranged and has a certain angle with the horizontal plane and the vertical plane; in addition, the transmission is fixed on the vehicle body and does not move relative to the vehicle body, the rear axle is connected to the vehicle body through the suspension, and relative movement exists between the rear axle and the vehicle body.
The structure and the arrangement enable the angle of the transmission shaft to be changed during the running process of the vehicle, and the angle cannot be always kept at an optimal working angle. The reliability of the sealing structures at the output end of the transmission and the input end of the rear axle is reduced due to the continuous change of the working angle of the transmission shaft, so that the problems of oil leakage and oil leakage are caused, and the service life of the rear transmission assembly is influenced; the rotational speed of the propeller shaft has a transient non-uniform characteristic, affecting the stability of power transmission. In addition, the rear transmission assembly of the mining vehicle occupies large space, and is not beneficial to arrangement and installation of other parts of the vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission assembly behind mine car, derailleur and rear axle are integrated to be arranged, have solved among the prior art technical problem of the oil impregnate and the oil leak that derailleur output and rear axle input arouse because transmission shaft operating angle constantly changes.
In order to achieve the above purpose, the utility model uses the technical solution that:
mining car rear drive assembly includes: the transmission comprises a transmission shell, a gear assembly, a transmission output end, a rear axle shell, a rear axle input end, a differential assembly and a connecting bolt, wherein the gear assembly and the transmission output end are arranged in the transmission shell, and the transmission output end is connected to the side part of the gear assembly; the rear axle input end and the differential assembly are arranged in a rear axle housing, the rear axle input end is meshed with the differential assembly through a gear, a rear axle housing through hole is formed in the side part of the rear axle housing, and the rear axle input end and the transmission output end are rigidly connected at the rear axle housing through hole; one side of the opening of the transmission housing is connected to the through hole of the rear axle housing by a connecting bolt.
Furthermore, the left end of the output end of the variable transmission device is a component connecting end, the right end of the output end of the variable transmission device is a connecting outer cylindrical surface, and a plurality of external splines are arranged on the connecting outer cylindrical surface; the rear axle input includes: the input connecting end and the power transmission end are connected, a blind hole is formed in the end face of the left side of the input connecting end, and an internal cylindrical surface of the blind hole is provided with an internal spline; and the outer spline is arranged on the inner spline after the outer cylindrical surface is inserted into the blind hole.
Further, the power transmission end is provided with a bevel gear, and the bevel gear is meshed with a gear of the differential assembly.
Further, the opening part of derailleur casing is provided with the flange, and the flange is provided with a plurality of flange through-holes, and the rear axle housing in the rear axle housing through-hole outside is provided with a plurality of screw holes, and connecting bolt passes the flange through-hole and connects on the screw hole, with flange joint in rear axle housing through-hole department.
The utility model discloses technical effect includes:
the utility model discloses in, the derailleur and the rear axle integration of transmission assembly are arranged behind the mine car, and derailleur output and rear axle input lug connection have cancelled the transmission shaft, have solved among the prior art technical problem such as the oil impregnate and the oil leak that derailleur output and rear axle input arouse because transmission shaft operating angle constantly changes.
The utility model discloses simple structure is compact, and occupation space is little, uses back reliable operation, has stopped prior art derailleur output and the rear axle input that prior art exists completely because transmission shaft operating angle constantly changes and the technical problem such as oil impregnate and oil leak that arouse.
Drawings
FIG. 1 is a schematic view of the overall structure of the rear transmission assembly of the middle mining truck of the present invention;
fig. 2 is a schematic structural diagram of the output end 3 of the transformer of the present invention;
fig. 3 is a schematic structural diagram of the rear axle input end 5 of the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
As shown in fig. 1, the general structure of the rear transmission assembly of the utility model is schematically illustrated.
Mining car rear drive assembly includes: the transmission comprises a transmission shell 1, a gear assembly 2, a transmission output end 3, a rear axle housing 4, a rear axle input end 5, a differential assembly 6 and a connecting bolt 7, wherein the gear assembly 2 and the transmission output end 3 are installed inside the transmission shell 1, and the transmission output end 3 is connected to the side part of the gear assembly 2; the rear axle input end 5 and the differential assembly 6 are installed inside the rear axle housing 4, the rear axle input end 5 is used as a power input end of the rear axle and is meshed with the differential assembly 6 through a gear, a rear axle housing through hole 41 is formed in the side portion of the rear axle housing 4, and the rear axle input end 5 and the transmission output end 3 are rigidly connected at the rear axle housing through hole 41; the transmission case 1 is attached at its open side to the rear axle housing through hole by a connecting bolt 7.
The gear assembly 2 transfers power to the output end 3 of the transmission after the power of the engine is subjected to speed reduction and torque conversion. The rear axle input 5 transmits the power from the transmission output 3 to the differential assembly 6, the differential assembly 6 serving as a power output of the rear axle to transmit the power to the wheels.
As shown in fig. 2, it is a schematic structural diagram of the output end 3 of the transmitter of the present invention.
The left end of the output end 3 of the transmission device is a component connecting end 31 and is used for connecting the power output end of the gear component 2, the right end of the output end is used for connecting an outer cylindrical surface 32, and a plurality of external splines 33 are arranged on the outer cylindrical surface 32.
As shown in fig. 3, it is a schematic structural diagram of the rear axle input end 5 of the present invention.
The power transmitting end 52 is a helical gear that meshes with a gear of the differential assembly 6 to smoothly transmit power to the differential assembly 6.
The outer cylindrical surface 32 of the output end 3 of the transmission is inserted into the blind hole 53 of the input end 5 of the rear axle, and the outer spline 33 is inserted into the inner spline 54, so that the output end 3 of the transmission and the input end 5 of the rear axle are rigidly connected. The transmission output 3, the rear axle input 5, transmits power to the differential assembly 6 via the helical gears of the power transmitting end 52 by rigid connection of the external splines 33 and the internal splines 54.
The opening part of transmission housing 1 is provided with flange 11, and flange 11 is provided with a plurality of flange through-holes 41, and rear-axle housing 4 outside rear-axle housing through-hole 41 is provided with a plurality of screw holes 42, and connecting bolt 7 passes flange through-hole 41 and connects on screw holes 42, connects flange 11 in rear-axle housing through-hole 41 department.
The rigid connection of the transmission output end 3 and the rear axle input end 5 through the external spline 33 and the internal spline 54 cancels a transmission shaft to output the power of the transmission output end 3 to the differential assembly 6 of the rear axle; in addition to the rigid connection of the transmission housing 1 and the rear axle housing 4, a change in the operating angle of the external splines 33 and the internal splines 54 can be avoided. Through the technical means, the technical problems of oil leakage, oil leakage and the like caused by the continuous change of the working angle of the transmission shaft at the output end of the transmission and the input end of the rear axle in the prior art are completely solved. The output end 3 of the speed changer and the input end 5 of the rear axle are directly connected, so that the power transmission is more direct, the structure of the rear transmission assembly is more compact, and the occupied space is greatly reduced.
The assembly method of the rear transmission assembly of the mining vehicle specifically comprises the following steps:
step 1: the gear assembly 2 is arranged in the transmission shell 1, the transmission output end 3 is arranged on the right side of the transmission shell 1, and the rear axle input end 5 and the differential assembly 6 are arranged in the rear axle housing 4;
step 2: the transmission housing 1 is moved to the rear axle housing through hole 41 of the rear axle housing 4 so that the blind hole 53 of the rear axle input 5 is aligned with the outer cylindrical surface 32 of the variator output 3, and the external splines 33 are fitted into the internal splines 54;
and step 3: the flange through holes 41 are aligned with the threaded holes 42, and the connecting bolts 7 pass through the flange through holes 41 and are connected to the threaded holes 42, so that the transmission case 1 and the rear axle case 4 are connected together.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (4)
1. A mining vehicle rear drive assembly, comprising: the transmission comprises a transmission shell, a gear assembly, a transmission output end, a rear axle housing, a rear axle input end, a differential assembly and a connecting bolt, wherein the gear assembly and the transmission output end are arranged in the transmission shell, and the transmission output end is connected to the side part of the gear assembly; the rear axle input end and the differential assembly are arranged in a rear axle housing, the rear axle input end is meshed with the differential assembly through a gear, a rear axle housing through hole is formed in the side part of the rear axle housing, and the rear axle input end and the transmission output end are rigidly connected at the rear axle housing through hole; one side of the opening of the transmission housing is connected to the through hole of the rear axle housing by a connecting bolt.
2. The mining vehicle rear transmission assembly of claim 1, wherein the left end of the output end of the transmission converter is a component connecting end, the right end of the output end of the transmission converter is a connecting outer cylindrical surface, and a plurality of outer splines are arranged on the connecting outer cylindrical surface; the rear axle input includes: the input connecting end and the power transmission end are connected, a blind hole is formed in the end face of the left side of the input connecting end, and an internal cylindrical surface of the blind hole is provided with an internal spline; and the outer cylindrical surface is inserted into the blind hole, and then the outer spline is arranged on the inner spline.
3. A mining vehicle rear drive assembly according to claim 2, in which the power transmitting end is provided with a bevel gear which meshes with a gear of the differential assembly.
4. The mining vehicle rear drive assembly of claim 1, wherein a flange is provided at the opening of the transmission housing, the flange is provided with a plurality of flange through holes, the rear axle housing outside the rear axle housing through holes is provided with a plurality of threaded holes, and the connecting bolts pass through the flange through holes to be connected to the threaded holes to connect the flange to the rear axle housing through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929937.XU CN218750307U (en) | 2022-11-03 | 2022-11-03 | Rear transmission assembly of mining truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929937.XU CN218750307U (en) | 2022-11-03 | 2022-11-03 | Rear transmission assembly of mining truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218750307U true CN218750307U (en) | 2023-03-28 |
Family
ID=85645638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222929937.XU Active CN218750307U (en) | 2022-11-03 | 2022-11-03 | Rear transmission assembly of mining truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218750307U (en) |
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2022
- 2022-11-03 CN CN202222929937.XU patent/CN218750307U/en active Active
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